1. Department of Chemistry , College of Sciences, Princess Nourah bint Abdulrahman University , Riyadh 11671 , Saudi Arabia
2. Department of Chemistry , University of Zurich , Winterthurerstrasse 190 , 8057 Zurich , Switzerland
3. Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University , 47500 Bandar Sunway , Selangor Darul Ehsan , Malaysia
4. Department of Medicinal Chemistry , Faculty of Pharmacy, Mansoura University , Mansoura 35516 , Egypt